jwo.landserf.process.gps.garmin
Class RecordsPacket

java.lang.Object
  jwo.landserf.process.gps.garmin.GarminPacket
      jwo.landserf.process.gps.garmin.RecordsPacket

public class RecordsPacket

extends GarminPacket

Represents a packet transmitted before a large transfer of data units.

Version:

2.2, 9th July, 2004

Author:

Jo Wood, based on the design by Henrik Sorensen (haas@itu.dk).

Field Summary

Fields inherited from class jwo.landserf.process.gps.garmin.GarminPacket

Cmnd_Abort_Transfer, Cmnd_Start_Pvt_Data, Cmnd_Stop_Pvt_Data, Cmnd_Transfer_Alm, Cmnd_Transfer_Posn, Cmnd_Transfer_Prx, Cmnd_Transfer_Rte, Cmnd_Transfer_Time, Cmnd_Transfer_Trk, Cmnd_Transfer_Wpt, Cmnd_Turn_Off_Pwr, DLE, ETX, packet, Pid_Ack_Byte, Pid_Almanac_Data, Pid_Command_Data, Pid_Date_Time_Data, Pid_Nak_Byte, Pid_Position_Data, Pid_Product_Data, Pid_Product_Rqst, Pid_Protocol_Array, Pid_Prx_Wpt_Data, Pid_Pvt_Data, Pid_Records, Pid_Rte_Hdr, Pid_Rte_Link_Data, Pid_Rte_Wpt_Data, Pid_Trk_Data, Pid_Trk_Hdr, Pid_Wpt_Data, Pid_Xfer_Cmplt

Constructor Summary

RecordsPacket(GarminPacket packet)
Creates a records packet from the given packet data.

RecordsPacket(int numRecords)
Creates a records packet that indicates the given number of items will follow.

RecordsPacket(int[] packet)
Creates a records packet from the given data.

Method Summary

int	getNumber() Reports the number of records that this packet announces.
String	toString() Reports a textual representation of this packet.

Methods inherited from class jwo.landserf.process.gps.garmin.GarminPacket

calcChecksum, commandToString, createBasicPacket, createCommandPacket, getByte, getDataLength, getID, getLength, getPacket, getRawPacket, idToString, isLegal, readByte, readDouble, readFloat, readLong, readNullTerminatedString, readWord, setPacket

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

RecordsPacket

public RecordsPacket(int numRecords)

Creates a records packet that indicates the given number of items will follow.

Parameters:

numRecords - Number of records that will follow this packet.

RecordsPacket

public RecordsPacket(int[] packet)

Creates a records packet from the given data.

Parameters:

packet - Data representing the records data packet.

Throws:

PacketNotRecognizedException - if the data do not represent a records packet.

InvalidPacketException - if the packet data are not the expected length.

RecordsPacket

public RecordsPacket(GarminPacket packet)

Creates a records packet from the given packet data.

Parameters:

packet - Packet to copy.

Throws:

PacketNotRecognizedException - if the given packet is not a records packet.

Method Detail

getNumber

public int getNumber()

Reports the number of records that this packet announces.

Returns:

Number of records to follow in next packet.

toString

public String toString()

Reports a textual representation of this packet.

Overrides:

toString in class GarminPacket

Returns:

String containing the position in a human readable format.